Ingredient Dictionary

GAMMA-OCTALACTONE

Gamma-octalactone is a gamma-lactone that is oxolan-2-one substituted by a butyl group at position 5.

How much products actually contain

No product states its amount yet.

Of the products containing it, 1 list it before the 1% line and 3 after it (usually 1% or less).

Products using this ingredient

4 of 4 confirmed · likeliest to carry enough first

Definition

Gamma-octalactone is a gamma-lactone that is oxolan-2-one substituted by a butyl group at position 5. It is a volatile compound found in peaches, mangoes, beef and ham. It has a role as an insect attractant, a flavouring agent, a mammalian metabolite, a mouse metabolite, a plant metabolite and a fungal metabolite. It is a volatile organic compound, a gamma-lactone and a tetrahydrofuranone.

Source: PubChem

US FDA substance register · UNII UHD6M52X0K · registered name .GAMMA.-OCTALACTONE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

More data — names, identifiers, properties, test records, literature

Names & identifiers

GAMMA-OCTALACTONEINCI2(3H)-Furanone, 5-butyldihydro-Synonym

CAS No.chemical registry number: 104-50-7
EC No.EU chemical inventory number: 203-208-1
DTXSIDUS EPA chemical ID: DTXSID1047609
DTXCIDUS EPA compound ID: DTXCID9027609

IUPAC: 5-Butyloxolan-2-one
Molecular formula: C8H14O2
Molecular weight: 142.198 g/mol

Measured properties

Appearance: CBI, Liquid · Colorless liquid, [Alfa Aesar MSDS]
Boiling point: 234.00 °C. @ 760.00 mm Hg · 234 °C
Solubility: slightly · soluble in alcohol and slightly soluble in water
Density: 0.970-0.980
Melting/freezing point: 0 ℃
Initial boiling point and range: 234 ℃(at 760 mmHg)
Flash point: &amp, gt, 110 ℃
Relative density: 0.981g/cm3
Molecular weight: 142.2

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 52 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Fragrance49
Flavouring and nutrient3

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 0 eye studies are on record.

Classed as moderate1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 1 studies

SkinSens1
Skin Sensitization · QSAR Predicted